⚗ Material Sciences

Information Required

Dear All I had seen a very good site for career enhancement courses www.bii.in Provideing courses in various upcoming a...

0 comments posted 20yrs

posted by global_info_share

0 comments posted 20yrs posted by global_info_share

nebulizer use for nano-particle production...

I recently got a solid state nebulizer for a medical application. It is small, quiet, and quickly makes a dense fog of...

2 comments posted 20yrs

posted by dmartin

2 comments posted 20yrs posted by dmartin

Vibrations for Aerogel Formation

I was reading this older article about how vibrations were used to artificially simulate gravity: http://www.aip.org/pn...

1 comments posted 20yrs

posted by manofsan

1 comments posted 20yrs posted by manofsan

outsider seeking help

hi i'm looking for a material that has the properties of paper (ie: a thin surface that's readily deformable, but keeps...

12 comments posted 20yrs

posted by sean_mcilroy

12 comments posted 20yrs posted by sean_mcilroy

secondary electrons in polymers (references found)

I raised the question a half year earlier or so about how far secondary electrons could travel in polymers. This week I...

0 comments posted 20yrs

posted by flipsu5

0 comments posted 20yrs posted by flipsu5

Earth-friendly grenades proposed

Scientists say the little bombs could advance recycling as they annihilate people. http://www.world-science.net/exclusiv...

0 comments posted 20yrs

posted by neutrino750

0 comments posted 20yrs posted by neutrino750

Fatigue Limit vs Temp for Steels & Alloys

Assuming a metal has a fatigue limit and cyclical stressing is uniform and always below that level, does the FL increas...

1 comments posted 20yrs

posted by BretCahill

1 comments posted 20yrs posted by BretCahill

Polythene porosity ?

For biological material in a sealed polythene bag but in surface contact with the polythene, is there any possibility o...

0 comments posted 20yrs

posted by nutteing

0 comments posted 20yrs posted by nutteing

carbon fiber reinforced plastic

Hello, I am not familiar with the materials at all. But I came across an application in which I have to put an elecroni...

4 comments posted 20yrs

posted by conphiloso

4 comments posted 20yrs posted by conphiloso

Need dielectric properties for some fluorinated organic gases

Does anyone know where to obtain dielectric constant information for some fluorinated organic gases. I am interested in...

0 comments posted 20yrs

posted by alterra

0 comments posted 20yrs posted by alterra

help me

Hi i am a siniour student of polymer engineering . i have a question : is there any relationship between structure and...

2 comments posted 20yrs

posted by shahram.nematy

2 comments posted 20yrs posted by shahram.nematy

Cold-tolerant insulators?

I need to make some spacers out of a non-conductive material that will not crumble when chilled with liquid nitrogen. I...

4 comments posted 20yrs

posted by nospam

4 comments posted 20yrs posted by nospam

Metal Springs in Liquid Nitrogen?

I need to build an apparatus in which a spring is used to press two parts together, then the entire apparatus is immers...

5 comments posted 20yrs

posted by nospam

5 comments posted 20yrs posted by nospam

Simple question

What is the plastic used in zip ties? Just plain nylon or is there something stronger? Thnaks.

0 comments posted 20yrs

posted by g y

0 comments posted 20yrs posted by g y

RoHS and Heat shrink tubing

Does anyone know what's in polyolefin heat shrink that makes it non-Rohs compliant? and is there a common compliant subs...

0 comments posted 20yrs

posted by bschuh

0 comments posted 20yrs posted by bschuh